| strangulation | 1. The act of strangling, or the state of being strangled. 2. <medicine> Inordinate compression or constriction of a tube or part, as of the throat; especially, such as causes a suspension of breathing, of the passage of contents, or of the circulation, as in cases of hernia. Origin: L. Strangulatio: cf. F. Strangulation. See Strangle. Source: Websters Dictionary (01 Mar 1998) |
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| suffocation | The act of suffocating, or the state of being suffocated; death caused by smothering or choking. The term suffocation is sometimes employed synonymously with asphyxia. In the strict medico-legal sense it signifies asphyxia induced by obstruction of the respiration otherwise than by direct pressure on the neck (hanging, strangulation) or submersion (drowning). Origin: L. Suffocatio: cf. F. Suffocation. Source: Websters Dictionary (01 Mar 1998) |
| undetermined nitrogen | The nitrogen of blood, urine, etc., other than urea, uric acid, amino acids, etc., that can be directly estimated; in blood it amounts to about 25 mg per 100 ml. Urea nitrogen, the portion of nitrogen in a biological sample, such as blood or urine, that derives from its content of urea. See: blood urea nitrogen. (05 Mar 2000) |
| hanging | 1. Requiring, deserving, or foreboding death by the halter. "What a hanging face!" 2. Suspended from above; pendent; as, hanging shelves. 3. Adapted for sustaining a hanging object; as, the hanging post of a gate, the post which holds the hinges. Hanging compass, a compass suspended so that the card may be read from beneath. Hanging garden, a garden sustained at an artificial elevation by any means, as by the terraces at Babylon. Hanging indentation. See Indentation. Hanging rail, the upper wall of inclined vein, or that which hangs over the miner's head when working in the vein. Source: Websters Dictionary (01 Mar 1998) |
| hanging-block culture | The propagation of microorganisms on a cube of solidified agar medium which is inoculated, attached to a cover glass, and inverted over a moist chamber or hollowed slide. (05 Mar 2000) |
| hanging drop | A drop of liquid on the undersurface of the object glass for examination under the microscope. (05 Mar 2000) |
| hanging drop slide | <microscopy> A glass slide with a concavity or a built-up chamber which allows a drop of culture to be placed on a cover- slip inverted over the cell. It makes possible the examination of freely moving protozoa, etc., confined only by the limits of the drop and the bottom surface of the coverslip. (05 Aug 1998) |
| hanging septum | The deformity caused by an abnormal width of the septal portion of the alar cartilages. (05 Mar 2000) |
| abstracting and indexing | Shortening or summarizing of documents; assigning of descriptors for referencing documents. (12 Dec 1998) |
| academies and institutes | Organizations representing specialised fields which are accepted as authoritative; may be non-governmental, university or an independent research organization, e.g., national academy of sciences, brookings institution, etc. (12 Dec 1998) |
| accounts payable and receivable | Short-term debt obligations and assets occurring in the regular course of operational transactions. (12 Dec 1998) |
| aged, 80 and over | A person 80 years of age and older. (12 Dec 1998) |
| algae and fungi | Algae represent a group of spore-propagating plants, unicellular or undifferentiated into root, stem, and leaf. They include seaweed and many unicellular fresh water plants, most of which contain chlorophyll. They account for about 90% of the earth's photosynthetic activity. Fungi are eukaryotic, heterotrophic organisms that live as saprobes or parasites and include mushrooms, yeasts, smuts, molds, etc. They lack chlorophyll. (12 Dec 1998) |
| alkyl and aryl transferases | <enzyme> A somewhat heterogeneous class of enzymes that catalyze the transfer of alkyl or related groups (excluding methyl groups). Registry number: EC 2.5 (12 Dec 1998) |
| allergy and immunology | A medical specialty concerned with the hypersensitivity of the individual to foreign substances and protection from the resultant infection or disorder. (12 Dec 1998) |